Risk of severe outcomes among SARS-CoV-2 Omicron BA.4 and BA.5 cases compared to BA.2 cases in England

J Infect. 2023 Jul;87(1):e8-e11. doi: 10.1016/j.jinf.2023.04.015. Epub 2023 Apr 24.

¹ UKHSA COVID-19 Vaccines and Epidemiology Division, UK. Electronic address: iwanibintiabdulaziz@ukhsa.gov.uk.
² UKHSA COVID-19 Vaccines and Epidemiology Division, UK.
³ MRC Biostatistics Unit, University of Cambridge, Cambridge, UK.
⁴ UKHSA Genomics and Public Health Analysis, UK.
⁵ UKHSA HCAI, Fungal, AMR, AMU & Sepsis Division, UK.
⁶ UKHSA COVID-19 Surveillance Cell, UK; NIHR Health Protection Research Unit for Respiratory Infections, UK.
⁷ UKHSA COVID-19 Vaccines and Epidemiology Division, UK. Electronic address: simon.thelwall@ukhsa.gov.uk.

No abstract available

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